const Koa = require('koa')
const app = new Koa()
const views = require('koa-views')
const json = require('koa-json')
const onerror = require('koa-onerror')
const bodyparser = require('koa-bodyparser')
const logger = require('koa-logger')

const bodyParser = require('body-parser-xml')(bodyparser)

const index = require('./routes/index')
// const users = require('./routes/users')

// error handler
onerror(app)

// middlewares
// 解决微信支付通知回调数据
// app.use(bodyParser.xml({
//   limit: '2MB',   // Reject payload bigger than 1 MB
//   xmlParseOptions: {
//     normalize: true,     // Trim whitespace inside text nodes
//     normalizeTags: true, // Transform tags to lowercase
//     explicitArray: false // Only put nodes in array if >1
//   }
// }))

app.use(bodyparser({
  enableTypes:['json', 'form', 'text']
}))
app.use(json())
app.use(logger())
app.use(require('koa-static')(__dirname + '/public'))

app.use(views(__dirname + '/views', {
  extension: 'pug'
}))

// logger
app.use(async (ctx, next) => {
  const start = new Date()
  await next()
  const ms = new Date() - start
  console.log(`${ctx.method} ${ctx.url} - ${ms}ms`)
})

// routes
app.use(index.routes(), index.allowedMethods())
// app.use(users.routes(), users.allowedMethods())

module.exports = app
